president obama today scrapped plans for a one-on-one meeting with president putin in moscow next month. the white house cited a lack of progress on critical issues. but the last straw was putin's decision to give temporary asylum to edward snowden, the n.s.a. leaker. and it represents the latest failure in mr. own's long-stated goal of rebooting u.s./russian relations. major garrett is at the white house. major? >> reporter: norah, before killing the summit, president obama asked the state department and department if anything could be achieved with president putin on arms control, missile defense, syria or human rights. across the board the answer came back no. as one top presidential advisor told us "nothing added up, and we weren't going to have a summit for the sake of appearances." president obama did not announce his intention to cancel the summit on the "tonight show," but he left plenty of hints. >> there have been times where they slip back into cold war rhinking and a cold-war mentality and what i consistently say to them and what i say to president putin is that's the past a